Glass lamp shade



FIG. 1 is a bottom front perspective view of a glass lamp shade showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear, left side and right side elevational views being identical thereto; and,

FIG. 4 is a top plan view thereof. 

The ornamental design for a glass lamp shade, as shown and described. 